2 * Mesa 3-D graphics library
4 * Copyright (C) 1999-2006 Brian Paul All Rights Reserved.
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included
14 * in all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
17 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22 * OTHER DEALINGS IN THE SOFTWARE.
33 struct gl_renderbuffer
;
35 extern struct gl_framebuffer
*
36 _mesa_create_framebuffer(const struct gl_config
*visual
);
38 extern struct gl_framebuffer
*
39 _mesa_new_framebuffer(struct gl_context
*ctx
, GLuint name
);
42 _mesa_initialize_window_framebuffer(struct gl_framebuffer
*fb
,
43 const struct gl_config
*visual
);
46 _mesa_initialize_user_framebuffer(struct gl_framebuffer
*fb
, GLuint name
);
49 _mesa_destroy_framebuffer(struct gl_framebuffer
*buffer
);
52 _mesa_free_framebuffer_data(struct gl_framebuffer
*buffer
);
55 _mesa_reference_framebuffer_(struct gl_framebuffer
**ptr
,
56 struct gl_framebuffer
*fb
);
59 _mesa_reference_framebuffer(struct gl_framebuffer
**ptr
,
60 struct gl_framebuffer
*fb
)
63 _mesa_reference_framebuffer_(ptr
, fb
);
67 _mesa_resize_framebuffer(struct gl_context
*ctx
, struct gl_framebuffer
*fb
,
68 GLuint width
, GLuint height
);
72 _mesa_resizebuffers( struct gl_context
*ctx
);
75 _mesa_scissor_bounding_box(const struct gl_context
*ctx
,
76 const struct gl_framebuffer
*buffer
,
77 unsigned idx
, int *bbox
);
79 _mesa_intersect_scissor_bounding_box(const struct gl_context
*ctx
,
80 unsigned idx
, int *bbox
);
83 _mesa_geometric_width(const struct gl_framebuffer
*buffer
)
85 return buffer
->_HasAttachments
?
86 buffer
->Width
: buffer
->DefaultGeometry
.Width
;
90 _mesa_geometric_height(const struct gl_framebuffer
*buffer
)
92 return buffer
->_HasAttachments
?
93 buffer
->Height
: buffer
->DefaultGeometry
.Height
;
97 _mesa_geometric_samples(const struct gl_framebuffer
*buffer
)
99 return buffer
->_HasAttachments
?
100 buffer
->Visual
.samples
:
101 buffer
->DefaultGeometry
._NumSamples
;
105 _mesa_geometric_layers(const struct gl_framebuffer
*buffer
)
107 return buffer
->_HasAttachments
?
108 buffer
->MaxNumLayers
: buffer
->DefaultGeometry
.Layers
;
112 _mesa_update_draw_buffer_bounds(struct gl_context
*ctx
,
113 struct gl_framebuffer
*drawFb
);
116 _mesa_update_framebuffer_visual(struct gl_context
*ctx
,
117 struct gl_framebuffer
*fb
);
120 _mesa_update_framebuffer(struct gl_context
*ctx
,
121 struct gl_framebuffer
*readFb
,
122 struct gl_framebuffer
*drawFb
);
125 _mesa_source_buffer_exists(struct gl_context
*ctx
, GLenum format
);
128 _mesa_dest_buffer_exists(struct gl_context
*ctx
, GLenum format
);
131 _mesa_get_color_read_type(struct gl_context
*ctx
);
134 _mesa_get_color_read_format(struct gl_context
*ctx
);
136 extern struct gl_renderbuffer
*
137 _mesa_get_read_renderbuffer_for_format(const struct gl_context
*ctx
,
141 _mesa_print_framebuffer(const struct gl_framebuffer
*fb
);
144 _mesa_is_front_buffer_reading(const struct gl_framebuffer
*fb
);
147 _mesa_is_front_buffer_drawing(const struct gl_framebuffer
*fb
);
150 _mesa_is_multisample_enabled(const struct gl_context
*ctx
);
153 _mesa_is_alpha_test_enabled(const struct gl_context
*ctx
);
156 _mesa_is_alpha_to_coverage_enabled(const struct gl_context
*ctx
);
158 #endif /* FRAMEBUFFER_H */